Funding for this research was provided by:
Local Hospital Funds (NA)
Local ALF Funds (NA)
Text and Data Mining valid from 2019-03-15
Received: 18 December 2018
Accepted: 13 February 2019
First Online: 15 March 2019
Compliance with ethical standards
: All authors certify that they have no affiliations with or involvement in any organisation or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licencing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.